IT970121B - COLORED REFRIGERANT FLUIDS FOR LEAK INDICATION - Google Patents

COLORED REFRIGERANT FLUIDS FOR LEAK INDICATION

Info

Publication number
IT970121B
IT970121B IT31181/72A IT3118172A IT970121B IT 970121 B IT970121 B IT 970121B IT 31181/72 A IT31181/72 A IT 31181/72A IT 3118172 A IT3118172 A IT 3118172A IT 970121 B IT970121 B IT 970121B
Authority
IT
Italy
Prior art keywords
colored
refrigerant fluids
leak indication
leak
indication
Prior art date
Application number
IT31181/72A
Other languages
Italian (it)
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT970121B publication Critical patent/IT970121B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/008—Lubricant compositions compatible with refrigerants
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/10—Components
    • C09K2205/12—Hydrocarbons
    • C09K2205/122—Halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/32—The mixture being azeotropic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S252/00—Compositions
    • Y10S252/964—Leak detection

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
IT31181/72A 1971-11-22 1972-10-31 COLORED REFRIGERANT FLUIDS FOR LEAK INDICATION IT970121B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20112071A 1971-11-22 1971-11-22

Publications (1)

Publication Number Publication Date
IT970121B true IT970121B (en) 1974-04-10

Family

ID=22744570

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31181/72A IT970121B (en) 1971-11-22 1972-10-31 COLORED REFRIGERANT FLUIDS FOR LEAK INDICATION

Country Status (16)

Country Link
US (1) US3770640A (en)
JP (1) JPS5239174B2 (en)
AR (1) AR196097A1 (en)
AU (1) AU467729B2 (en)
BE (1) BE791683A (en)
BR (1) BR7208148D0 (en)
CA (1) CA989158A (en)
CH (1) CH586277A5 (en)
DE (1) DE2257283C3 (en)
ES (1) ES408838A1 (en)
FR (1) FR2160897B1 (en)
GB (1) GB1392978A (en)
IT (1) IT970121B (en)
NL (1) NL147180B (en)
SE (1) SE388625B (en)
ZA (1) ZA727947B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170564A (en) * 1977-10-06 1979-10-09 Milliken Research Corporation Refrigerants colored for leak indication with substituted anthraquinone dyes
US4261847A (en) * 1979-06-25 1981-04-14 E. I. Du Pont De Nemours And Company Refrigerant compositions
US4369120A (en) * 1981-05-21 1983-01-18 Racon Incorporated Refrigeration liquid with leak indicator and process of using same
US4436641A (en) 1981-05-21 1984-03-13 Racon Incorporated Refrigeration liquid with blue leak indicator and process of using same
US4662940A (en) * 1984-02-22 1987-05-05 Tri-X Corporation Sealant composition and leak detector for automobile cooling systems and the like
US5149453A (en) * 1985-02-25 1992-09-22 H. B. Fuller Automotive Products, Inc. Method for detecting leakage in a refrigeration system
US4758366A (en) * 1985-02-25 1988-07-19 Widger Chemical Corporation Polyhalogenated hydrocarbon refrigerants and refrigerant oils colored with fluorescent dyes and method for their use as leak detectors
US5357782A (en) * 1993-06-25 1994-10-25 Advanced Research Technologies Leak detection in heating, ventilating and air conditioning systems using an environmentally safe material
USRE35370E (en) * 1993-06-25 1996-11-05 Bright Solutions, Inc. Leak detection in heating ventilating and air conditioning systems using an environmentally safe material
US5440919A (en) * 1994-08-29 1995-08-15 Spectronics Corporation Method of introducing leak detection dye into an air conditioning or refrigeration system
USRE36951E (en) * 1994-08-29 2000-11-14 Spectronics Corporation Method of introducing leak detection dye into an air conditioning or refrigeration system including solid or semi-solid fluorescent dyes
US5766503A (en) * 1994-12-16 1998-06-16 E. I. Du Pont De Nemours And Company Refrigeration process using azeotropic compositions of perfluoroethane and trifluoromethane
US5558808A (en) * 1995-06-07 1996-09-24 United Color Manufacturing, Inc. Colored transmission fluid
US6070454A (en) * 1995-07-21 2000-06-06 Bright Solutions, Inc. Leak detection additives for use in heating, ventilating, refrigeration, and air conditioning systems
US6070455A (en) * 1995-07-21 2000-06-06 Bright Solutions, Inc. Leak detection additives
JPH09304281A (en) * 1996-05-09 1997-11-28 Tokyo Electric Power Co Inc:The Oil detector
US5681984A (en) * 1996-07-22 1997-10-28 Bright Solutions, Inc. Leak detection in heating, ventilating, refrigeration, and air conditioning systems utilizing adsorptive materials
US5783110A (en) * 1997-04-17 1998-07-21 R-Tect, Inc. Composition for the detection of electrophilic gases and methods of use thereof
US5918269A (en) * 1998-02-18 1999-06-29 Milliken & Company Naphthalimide colorants with improved compatibility in refrigeration and air conditioning lubricants
US6132636A (en) * 1998-10-23 2000-10-17 Allied Signal Inc Leak-detecting refrigerant compositions containing oxazolyl-coumarin dyes
US20040262567A1 (en) * 1998-10-23 2004-12-30 Proem Pty Ltd. Stable compositions of liquefied refrigerant and UV dye
US6293138B1 (en) 1999-12-10 2001-09-25 Visteon Global Technologies, Inc. Apparatus and method for introducing leak detection dye into an air conditioning system
JP2001187844A (en) * 1999-12-29 2001-07-10 Ciba Specialty Chem Holding Inc New pigment coloring agent for kneading-coloring of synthetic material
EP1127922A1 (en) * 1999-12-29 2001-08-29 Ciba SC Holding AG Pigment dyes for the bulk dyeing of synthetic materials
US7943380B2 (en) * 2004-06-02 2011-05-17 Bright Solutions, Inc. Leak detection materials and methods
DE102010022567A1 (en) * 2010-06-02 2011-12-08 Fluoron Gmbh preparation
CN113166635B (en) * 2018-12-03 2022-08-05 3M创新有限公司 Visually distinguishable working fluids

Also Published As

Publication number Publication date
BE791683A (en) 1973-03-16
GB1392978A (en) 1975-05-07
ZA727947B (en) 1973-07-25
NL7215829A (en) 1973-05-24
CA989158A (en) 1976-05-18
DE2257283B2 (en) 1978-08-31
FR2160897A1 (en) 1973-07-06
DE2257283C3 (en) 1979-05-03
NL147180B (en) 1975-09-15
JPS49131975A (en) 1974-12-18
CH586277A5 (en) 1977-03-31
DE2257283A1 (en) 1973-06-20
US3770640A (en) 1973-11-06
FR2160897B1 (en) 1975-03-28
ES408838A1 (en) 1975-10-16
JPS5239174B2 (en) 1977-10-04
BR7208148D0 (en) 1973-11-01
AU4844072A (en) 1974-05-02
AU467729B2 (en) 1975-12-11
AR196097A1 (en) 1973-11-30
SE388625B (en) 1976-10-11

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